A New Method of Out-of-Plane Displacement Measurement for Optical Fiber Material Based on Digital Speckle Correlation Method

Ran Zhao; Zhiwei Hong; Jing Lu; Yang Zhang; Yong Sun; Yonggang Huang; Jinsheng Jia

doi:10.3788/AOS202141.1712002

Journals >Acta Optica Sinica >Volume 41 >Issue 17 >Page 1712002 > Article

Acta Optica Sinica
Vol. 41, Issue 17, 1712002 (2021)

A New Method of Out-of-Plane Displacement Measurement for Optical Fiber Material Based on Digital Speckle Correlation Method

Ran Zhao^1、2、*, Zhiwei Hong³, Jing Lu³, Yang Zhang^1、2、4, Yong Sun^1、2, Yonggang Huang¹, and Jinsheng Jia^1、4

Author Affiliations

¹State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China

²Beijing Key Laboratory of Solar Energy and Building Energy-Saving Glass Materials Processing Technology, Beijing 100024, China

³Zhongkexin Engineering Consulting (Beijing) Co., Ltd., Beijing 100039, China

⁴CNBM Guangxin Technology Co., Ltd, Zaozhuang, Shandong 277100, China

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DOI: 10.3788/AOS202141.1712002 Cite this Article Set citation alerts

Ran Zhao, Zhiwei Hong, Jing Lu, Yang Zhang, Yong Sun, Yonggang Huang, Jinsheng Jia. A New Method of Out-of-Plane Displacement Measurement for Optical Fiber Material Based on Digital Speckle Correlation Method[J]. Acta Optica Sinica, 2021, 41(17): 1712002 Copy Citation Text

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Fig. 1. Wedged model

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Simulated optical fiber images under microscope. (a) Original image; (b) deformation image; (c) gray value distribution in y direction at x=200 before and after deformation

Fig. 2. Simulated optical fiber images under microscope. (a) Original image; (b) deformation image; (c) gray value distribution in y direction at x=200 before and after deformation

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Fig. 3. Experimental results. (a) Theoretical value of simulation experiment; (b) simulation experimental result; (c) comparison of experimental results at x=174

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Fig. 4. Experimental setup. (a) Measurement schematic; (b) setup diagram; (c) holder and material

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Fig. 5. Experimental images. (a) Original image (α=0°); (b) α=6°; (c) α=8°; (d) α=9°; (e) α=10°; (f) gray value distribution in y direction at x=200

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Fig. 6. Experimental results. (a) α=6°; (b) α=8°; (c) α=9°; (d) α=10°

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Fig. 7. Comparison of experimental results and theoretical values at x=174

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Angle /(°)	Theoreticalvalues /μm	Experimentalvalues /μm	Relativeerror /%	Angle /(°)	Theoreticalvalues /μm	Experimentalvalues /μm	Relativeerror /%
6(y=172)	1.462	1.446	1.09	6(y=173)	1.471	1.441	2.08
6(y=174)	1.479	1.485	0.41	6(y=175)	1.488	1.487	0.07
8(y=172)	1.938	1.948	0.51	8(y=173)	1.949	1.962	0.66
8(y=174)	1.961	1.975	0.71	8(y=175)	1.972	1.987	0.76
9(y=172)	2.176	2.211	1.61	9(y=173)	2.189	2.224	1.60
9(y=174)	2.201	2.235	1.54	9(y=175)	2.214	2.252	1.71
10(y=172)	2.434	2.440	0.24	10(y=173)	2.448	2.451	0.12
10(y=174)	2.462	2.456	0.24	10(y=175)	2.476	2.459	0.69

Table 1. Experimental and theoretical values at y=172, 173, 174, 175 in Fig. 7

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